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Finding the Fourth Proportional to 88,602.54, 132,339.02 and 80,156.08

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Solution

The fourth proportional to 88,602.54, 132,339.02 and 80,156.08 is: 119,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,602.54 : 132,339.02 = 80,156.08 : x
  2. Step 2: Convert to fraction form
    88,602.54/132,339.02 = 80,156.08/x
  3. Step 3: Cross multiply
    88,602.54x = 132,339.02 × 80,156.08
  4. Step 4: Simplify right side
    88,602.54x = 10,607,777,074.24
  5. Step 5: Solve for x
    x = 10,607,777,074.24/88,602.54
  6. Step 6: Final answer
    x = 119,723.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.